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MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
15-28 Freescale Semiconductor
15.4.1.20 BDT Page Register 2 (BDT_PAGE_02)
The Buffer Descriptor Table Page Register 2 contains an 8-bit value that is used to compute the address
where the current Buffer Descriptor Table (BDT) resides in system memory. See Section 15.4.1.16, “BDT
Page Register 1 (BDT_PAGE_01)” for more information on the format of the Buffer Descriptor Table.
Figure 15-27 shows the BDT Page Register 2.
15.4.1.21 BDT Page Register 3 (BDT_PAGE_03)
The Buffer Descriptor Table Page Register 3 contains an 8-bit value that is used to compute the address
where the current Buffer Descriptor Table (BDT) resides in system memory. See Section 15.4.1.16, “BDT
Page Register 1 (BDT_PAGE_01)” for more information on the format of the Buffer Descriptor Table.
Figure 15-28 shows the BDT Page Register 3.
IPSBAR
Offset: 0x1C_00B0 (BDT_PAGE_02) Access: User read/write
76543210
R
BDT_BA23 BDT_BA22 BDT_BA21 BDT_BA20 BDT_BA19 BDT_BA18 BDT_BA17 BDT_BA16
W
Reset:00000000
Figure 15-27. BDT_PAGE_02 Register
Table 15-31. BDT_PAGE_02 Field Descriptions
Field Description
7 – 0
BDT_
BA[23:16]
This 8 bit field provides address bits 23 through 16 of the BDT base address, which defines where the Buffer
Descriptor Table resides in system memory.
IPSBAR
Offset: 0x1C_00B4 (BDT_PAGE_03)
Access: User read/write
76543210
R
BDT_BA31 BDT_BA30 BDT_BA29 BDT_BA28 BDT_BA27 BDT_BA26 BDT_BA25 BDT_BA24
W
Reset:00000000
Figure 15-28. BDT_PAGE_03 Register
Table 15-32. BDT_PAGE_03 Field Descriptions
Field Description
7 – 0
BDT_
BA[31:24]
This 8 bit field provides address bits 31through 24 of the BDT base address, which defines where the Buffer
Descriptor Table resides in system memory.